The relationship between supply and demand is a prerequisite for the rapid development of an industry. At present, the market demand is very large, but the supply side is slightly insufficient. Especially, there are not many enterprises with core intellectual property rights and excellent product quality. The industry as a whole lacks brand effect. In the period of strong demand, the industry has huge demand and good development prospects. This is beyond doubt. However, how to maintain the health, stability and sustainable development of the industry requires the joint efforts of the industry, especially the spirit of research and development, to further improve the production process, reduce costs, truly solve the practical difficulties of customers, strictly control the quality, provide the most Reliable product.